<a href="#" class="tag">Wirtschaftswissenschaften</a>
<{{ url is defined ? 'a href="' ~ url ~ '"' : 'span' }} class="tag{{ modifier ? ' tag--' ~ modifier }}">{{ label }}</{{ url is defined ? 'a' : 'span' }}>
{
  "label": "Wirtschaftswissenschaften",
  "url": "#"
}